11988807 has 8 divisors (see below), whose sum is σ = 16325376. Its totient is φ = 7822392.

The previous prime is 11988799. The next prime is 11988811. The reversal of 11988807 is 70888911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11988807 - 2³ = 11988799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11988827) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42373 + ... + 42654.

It is an arithmetic number, because the mean of its divisors is an integer number (2040672).

Almost surely, 2^11988807 is an apocalyptic number.

11988807 is a deficient number, since it is larger than the sum of its proper divisors (4336569).

11988807 is an equidigital number, since it uses as much as digits as its factorization.

11988807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85077.

The product of its (nonzero) digits is 32256, while the sum is 42.

The square root of 11988807 is about 3462.4856678404. The cubic root of 11988807 is about 228.8716442202.

The spelling of 11988807 in words is "eleven million, nine hundred eighty-eight thousand, eight hundred seven".